CN113665823A - Hybrid type freight unmanned aerial vehicle and cargo transportation method - Google Patents
Hybrid type freight unmanned aerial vehicle and cargo transportation method Download PDFInfo
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- CN113665823A CN113665823A CN202110938695.8A CN202110938695A CN113665823A CN 113665823 A CN113665823 A CN 113665823A CN 202110938695 A CN202110938695 A CN 202110938695A CN 113665823 A CN113665823 A CN 113665823A
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- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000013535 sea water Substances 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 10
- 210000001015 abdomen Anatomy 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60V—AIR-CUSHION VEHICLES
- B60V3/00—Land vehicles, waterborne vessels, or aircraft, adapted or modified to travel on air cushions
- B60V3/08—Aircraft, e.g. air-cushion alighting-gear therefor
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- B64D27/026—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/11—Propulsion using internal combustion piston engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/60—UAVs specially adapted for particular uses or applications for transporting passengers; for transporting goods other than weapons
Abstract
The invention discloses a hybrid freight transport unmanned aerial vehicle, which comprises an unmanned aerial vehicle body and unmanned aerial vehicle wings, wherein the unmanned aerial vehicle wings are arranged on the unmanned aerial vehicle body, a fuel propeller power device is arranged on the unmanned aerial vehicle wings, and an electric propeller power device is arranged on a machine head of the unmanned aerial vehicle body; the lower part of the machine head of the unmanned aerial vehicle body is provided with a groove position, a flow guide structure is arranged in the groove position, a driving device is arranged in the machine head of the unmanned aerial vehicle body and is connected with the flow guide structure, and the driving device drives the flow guide structure to retract into the groove position or extend out of the groove position; the water conservancy diversion structure has air intake and air outlet, and the air intake of water conservancy diversion structure is towards electric screw power device, and the air outlet of water conservancy diversion structure is towards the ventral of unmanned aerial vehicle fuselage, and the cross sectional area of air intake is greater than the cross sectional area of air outlet, and the air outlet grows up the bar. The invention adopts the electric equipment and the gasoline engine equipment to provide power for the unmanned aerial vehicle, and has a flow guide structure, thereby reducing the resistance of seawater to the takeoff of the unmanned aerial vehicle.
Description
Technical Field
The invention relates to a hybrid type freight unmanned aerial vehicle and a freight transportation method, and belongs to the technical field of large-scale unmanned aerial vehicle freight equipment and freight transportation methods.
Background
With the development of science and technology, the field of unmanned aerial vehicle application is also more and more extensive. At present, unmanned aerial vehicles have appeared in the market and transported in express delivery, but the general all is that unmanned aerial vehicle flight distance is nearer road surface address. There is not the unmanned aerial vehicle equipment of distribution goods on the sea yet, mainly because unmanned aerial vehicle takes off the resistance great on the sea, and the sea water has great resistance to unmanned aerial vehicle, leads to taking off the power consumption great.
Disclosure of Invention
The invention aims to provide a hybrid freight transport unmanned aerial vehicle, which adopts electric equipment and gasoline engine equipment to provide power for the unmanned aerial vehicle, has a diversion structure, can form a layer of air cushion between the body of the unmanned aerial vehicle and seawater, and reduces the resistance of the seawater to the takeoff of the unmanned aerial vehicle.
In order to solve the technical problems, the invention adopts the following technical scheme:
a hybrid-type freight transportation unmanned aerial vehicle comprises an unmanned aerial vehicle body and unmanned aerial vehicle wings, wherein the unmanned aerial vehicle wings are installed on the unmanned aerial vehicle body, fuel propeller power devices are installed on the unmanned aerial vehicle wings, and electric propeller power devices are installed on a machine head of the unmanned aerial vehicle body; the lower part of the machine head of the unmanned aerial vehicle body is provided with a groove position, a flow guide structure is arranged in the groove position, a driving device is arranged in the machine head of the unmanned aerial vehicle body and is connected with the flow guide structure, and the driving device drives the flow guide structure to retract into the groove position or extend out of the groove position; the water conservancy diversion structure has air intake and air outlet, and the air intake of water conservancy diversion structure is towards electric screw power device, and the air outlet of water conservancy diversion structure is towards the ventral of unmanned aerial vehicle fuselage, and the cross sectional area of air intake is greater than the cross sectional area of air outlet, and the air outlet grows up the bar.
In the hybrid freight unmanned aerial vehicle, when the diversion structure is located in the slot, the lower surface of the diversion structure and the surface of the unmanned aerial vehicle body form a streamline shape.
In the hybrid freight unmanned aerial vehicle, the diversion structure is provided with a plurality of diversion channels, and adjacent diversion channels are separated by the baffle.
In the hybrid freight transportation unmanned aerial vehicle, the diversion channel comprises a diversion section and a diffusion section which are communicated, an inlet of the diversion section faces the electric propeller power device, an outlet of the diversion section is communicated with an inlet of the diffusion section, and an outlet of the diffusion section faces the belly of the unmanned aerial vehicle body; the outlet width of the diffuser section is greater than its inlet width and the outlet height of the diffuser section is less than its inlet height.
In the hybrid freight unmanned aerial vehicle, the outlet of the diffuser section is provided with the flow guide block, the flow guide block is wedge-shaped, and the pointed end of the wedge-shaped flow guide block faces the flow guide section.
In the hybrid freight unmanned aerial vehicle, the ratio of the outlet width of the diffuser section to the outlet height of the diffuser section is 7: 1 to 3: 1, the ratio of the inlet width to the inlet height of the flow guide section is 2: 1 to 1: 1, be equipped with air velocity transducer in the diffuser section, air velocity transducer and unmanned aerial vehicle's controller electricity is connected, and controller and electric screw power device electricity are connected.
In the hybrid freight unmanned aerial vehicle, the ratio of the outlet width of the diffuser section to the outlet height of the diffuser section is 5: 1 to 3: 1, the ratio of the inlet width to the inlet height of the flow guide section is 1.5: 1.
a cargo transportation method for transporting cargo to a sea area, which adopts the hybrid freight unmanned aerial vehicle, and comprises the following contents: loading goods into the unmanned aerial vehicle; controlling the unmanned aerial vehicle to fly to a specified position; landing the unmanned aerial vehicle on the sea surface; taking out goods on the unmanned aerial vehicle; unmanned aerial vehicle returns.
In the cargo transportation method, the unmanned aerial vehicle returning comprises the following steps: before the unmanned aerial vehicle takes off from the sea surface, firstly, the diversion structure extends out of the groove position through the driving device; fuel screw power device and electric screw power device start simultaneously, and the air current that electric screw power device produced gets into the import of water conservancy diversion passageway, then gets rid of from the export of refluence passageway, and the air current acts on the ventral position of unmanned aerial vehicle fuselage, and the air current forms the air cushion together between the ventral of unmanned aerial vehicle fuselage and the sea, reduces the resistance of sea water to the unmanned aerial vehicle fuselage.
In the cargo transportation method, the unmanned aerial vehicle returning comprises the following steps: the wind speed sensor detects the wind speed in the diffusion section, if the wind speed does not reach the designated speed, the fact that an enough air cushion is not formed between the unmanned aerial vehicle and the seawater is indicated, and the output power of the electric propeller power device is continuously increased; if the wind speed reaches the designated speed, it shows that sufficient air cushion is formed between the unmanned aerial vehicle and the sea water, and the output power of the electric propeller power device stops increasing.
Compared with the prior art, the unmanned aerial vehicle is powered by the electric equipment and the gasoline engine equipment, has a flow guide structure, can form a layer of air cushion between the body of the unmanned aerial vehicle and seawater, and reduces the resistance of the seawater to the takeoff of the unmanned aerial vehicle. The wings of the unmanned aerial vehicle are provided with fuel propeller power devices to provide long-term and stable power output for the unmanned aerial vehicle; the electric propeller power device is mounted on the nose of the unmanned aerial vehicle body, and the power output peak value of the power device can be quickly reached, so that the unmanned aerial vehicle can quickly take off from the sea surface.
Drawings
FIG. 1 is a schematic top view of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of one embodiment of a backflow structure;
fig. 4 is a schematic structural view of an embodiment of a flow guide channel.
Reference numerals: the method comprises the following steps of 1-unmanned aerial vehicle body, 2-unmanned aerial vehicle wing, 3-fuel propeller power device, 4-electric propeller power device, 5-groove position, 6-flow guide structure, 7-flow guide block, 8-flow guide channel, 9-diffusion section, 10-backflow section and 11-baffle.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the invention: a hybrid-type freight transport unmanned aerial vehicle comprises an unmanned aerial vehicle body 1 and unmanned aerial vehicle wings 2, wherein the unmanned aerial vehicle wings 2 are installed on the unmanned aerial vehicle body 1, fuel propeller power devices 3 are installed on the unmanned aerial vehicle wings 2, and electric propeller power devices 4 are installed on a machine head of the unmanned aerial vehicle body 1; the lower part of the machine head of the unmanned aerial vehicle body 1 is provided with a groove position 5, a flow guide structure 6 is arranged in the groove position 5, a driving device is installed in the machine head of the unmanned aerial vehicle body 1 and connected with the flow guide structure 6, and the driving device drives the flow guide structure 6 to retract into the groove position 5 or extend out of the groove position 5; the water conservancy diversion structure 6 has air intake and air outlet, and the air intake of water conservancy diversion structure 6 is towards electric screw power device 4, and the air outlet of water conservancy diversion structure 6 is towards the ventral of unmanned aerial vehicle fuselage 1, and the cross sectional area of air intake is greater than the cross sectional area of air outlet, and the air outlet grows up the bar.
When the diversion structure 6 is located in the slot 5, the lower surface of the diversion structure 6 and the surface of the unmanned aerial vehicle body 1 form a streamline shape. The flow guide structure 6 is provided with a plurality of flow guide channels 8, and adjacent flow guide channels 8 are separated by baffles 11.
The diversion channel 8 comprises a diversion section 10 and a diffusion section 9 which are communicated, the inlet of the diversion section 10 faces the electric propeller power device 4, the outlet of the diversion section 10 is communicated with the inlet of the diffusion section 9, and the outlet of the diffusion section 9 faces the belly of the unmanned aerial vehicle body 1; the diffuser section 9 has an outlet width greater than its inlet width and the diffuser section 9 has an outlet height less than its inlet height. The outlet of the diffusion section 9 is provided with a flow guide block 7, the flow guide block 7 is wedge-shaped, and the pointed end of the wedge-shaped flow guide block 7 faces the flow guide section 10.
The ratio of the outlet width of the diffuser section 9 to the outlet height of the diffuser section 9 is 7: 1, the ratio of the inlet width to the inlet height of the guide section 10 is 2: 1, be equipped with air velocity transducer in the diffuser section 9, air velocity transducer and unmanned aerial vehicle's controller electricity is connected, and controller and electric screw power device 4 electricity are connected.
Example 2: a hybrid-type freight transport unmanned aerial vehicle comprises an unmanned aerial vehicle body 1 and unmanned aerial vehicle wings 2, wherein the unmanned aerial vehicle wings 2 are installed on the unmanned aerial vehicle body 1, fuel propeller power devices 3 are installed on the unmanned aerial vehicle wings 2, and electric propeller power devices 4 are installed on a machine head of the unmanned aerial vehicle body 1; the lower part of the machine head of the unmanned aerial vehicle body 1 is provided with a groove position 5, a flow guide structure 6 is arranged in the groove position 5, a driving device is installed in the machine head of the unmanned aerial vehicle body 1 and connected with the flow guide structure 6, and the driving device drives the flow guide structure 6 to retract into the groove position 5 or extend out of the groove position 5; the water conservancy diversion structure 6 has air intake and air outlet, and the air intake of water conservancy diversion structure 6 is towards electric screw power device 4, and the air outlet of water conservancy diversion structure 6 is towards the ventral of unmanned aerial vehicle fuselage 1, and the cross sectional area of air intake is greater than the cross sectional area of air outlet, and the air outlet grows up the bar.
When the diversion structure 6 is located in the slot 5, the lower surface of the diversion structure 6 and the surface of the unmanned aerial vehicle body 1 form a streamline shape. The flow guide structure 6 is provided with a plurality of flow guide channels 8, and adjacent flow guide channels 8 are separated by baffles 11.
The diversion channel 8 comprises a diversion section 10 and a diffusion section 9 which are communicated, the inlet of the diversion section 10 faces the electric propeller power device 4, the outlet of the diversion section 10 is communicated with the inlet of the diffusion section 9, and the outlet of the diffusion section 9 faces the belly of the unmanned aerial vehicle body 1; the diffuser section 9 has an outlet width greater than its inlet width and the diffuser section 9 has an outlet height less than its inlet height. The outlet of the diffusion section 9 is provided with a flow guide block 7, the flow guide block 7 is wedge-shaped, and the pointed end of the wedge-shaped flow guide block 7 faces the flow guide section 10.
The ratio of the outlet width of the diffuser section 9 to the outlet height of the diffuser section 9 is 3: 1, the ratio of the inlet width to the inlet height of the guide section 10 is 1: 1, be equipped with air velocity transducer in the diffuser section 9, air velocity transducer and unmanned aerial vehicle's controller electricity is connected, and controller and electric screw power device 4 electricity are connected.
Example 3: a hybrid-type freight transport unmanned aerial vehicle comprises an unmanned aerial vehicle body 1 and unmanned aerial vehicle wings 2, wherein the unmanned aerial vehicle wings 2 are installed on the unmanned aerial vehicle body 1, fuel propeller power devices 3 are installed on the unmanned aerial vehicle wings 2, and electric propeller power devices 4 are installed on a machine head of the unmanned aerial vehicle body 1; the lower part of the machine head of the unmanned aerial vehicle body 1 is provided with a groove position 5, a flow guide structure 6 is arranged in the groove position 5, a driving device is installed in the machine head of the unmanned aerial vehicle body 1 and connected with the flow guide structure 6, and the driving device drives the flow guide structure 6 to retract into the groove position 5 or extend out of the groove position 5; the water conservancy diversion structure 6 has air intake and air outlet, and the air intake of water conservancy diversion structure 6 is towards electric screw power device 4, and the air outlet of water conservancy diversion structure 6 is towards the ventral of unmanned aerial vehicle fuselage 1, and the cross sectional area of air intake is greater than the cross sectional area of air outlet, and the air outlet grows up the bar.
When the diversion structure 6 is located in the slot 5, the lower surface of the diversion structure 6 and the surface of the unmanned aerial vehicle body 1 form a streamline shape. The flow guide structure 6 is provided with a plurality of flow guide channels 8, and adjacent flow guide channels 8 are separated by baffles 11.
The diversion channel 8 comprises a diversion section 10 and a diffusion section 9 which are communicated, the inlet of the diversion section 10 faces the electric propeller power device 4, the outlet of the diversion section 10 is communicated with the inlet of the diffusion section 9, and the outlet of the diffusion section 9 faces the belly of the unmanned aerial vehicle body 1; the diffuser section 9 has an outlet width greater than its inlet width and the diffuser section 9 has an outlet height less than its inlet height. The outlet of the diffusion section 9 is provided with a flow guide block 7, the flow guide block 7 is wedge-shaped, and the pointed end of the wedge-shaped flow guide block 7 faces the flow guide section 10.
The ratio of the outlet width of the diffuser section 9 to the outlet height of the diffuser section 9 is 5: 1 to 3: 1, the ratio of the inlet width to the inlet height of the guide section 10 is 1.5: 1, be equipped with air velocity transducer in the diffuser section 9, air velocity transducer and unmanned aerial vehicle's controller electricity is connected, and controller and electric screw power device 4 electricity are connected.
A cargo transportation method for transporting cargo to a sea area, wherein a hybrid unmanned cargo vehicle according to the above embodiment includes: loading goods into the unmanned aerial vehicle; controlling the unmanned aerial vehicle to fly to a specified position; landing the unmanned aerial vehicle on the sea surface; taking out goods on the unmanned aerial vehicle; unmanned aerial vehicle returns.
The unmanned aerial vehicle return voyage method comprises the following steps: before the unmanned aerial vehicle takes off from the sea surface, firstly, the diversion structure 6 is extended out of the slot position 5 through the driving device; fuel screw power device 3 and electric screw power device 4 start simultaneously, and the air current that electric screw power device 4 produced gets into the import of water conservancy diversion passageway 8, then gets rid of from the export of refluence passageway, and the air current acts on the ventral position of unmanned aerial vehicle fuselage 1, and the air current forms one air cushion between the ventral of unmanned aerial vehicle fuselage 1 and the sea, reduces the resistance of sea water to unmanned aerial vehicle fuselage 1. The wind speed sensor detects the wind speed in the diffusion section 9, if the wind speed does not reach the designated speed, the fact that an enough air cushion is not formed between the unmanned aerial vehicle and the seawater is indicated, and the output power of the electric propeller power device 4 is continuously increased; if the wind speed reaches the designated speed, it indicates that sufficient air cushion is formed between the unmanned aerial vehicle and the sea water, and the output power of the electric propeller power device 4 stops increasing.
Claims (10)
1. A hybrid freight transport unmanned aerial vehicle comprises an unmanned aerial vehicle body (1) and unmanned aerial vehicle wings (2), wherein the unmanned aerial vehicle wings (2) are installed on the unmanned aerial vehicle body (1), and is characterized in that fuel propeller power devices (3) are installed on the unmanned aerial vehicle wings (2), and electric propeller power devices (4) are installed on a machine head of the unmanned aerial vehicle body (1); the lower part of the machine head of the unmanned aerial vehicle body (1) is provided with a groove position (5), a flow guide structure (6) is arranged in the groove position (5), a driving device is installed in the machine head of the unmanned aerial vehicle body (1) and connected with the flow guide structure (6), and the driving device drives the flow guide structure (6) to retract into the groove position (5) or extend out of the groove position (5); the air guide structure (6) is provided with an air inlet and an air outlet, the air inlet of the air guide structure (6) faces to the electric propeller power device (4), the air outlet of the air guide structure (6) faces to the belly of the unmanned aerial vehicle body (1), the cross-sectional area of the air inlet is larger than that of the air outlet, and the air outlet is in a long strip shape.
2. A hybrid freight drone according to claim 1, characterised in that when the flow directing structure (6) is located in the slot (5), the lower surface of the flow directing structure (6) and the surface of the drone fuselage (1) form a streamline.
3. A hybrid freight drone according to claim 2, characterised in that the diversion structure (6) has several diversion tunnels (8), adjacent diversion tunnels (8) being separated by baffles (11).
4. The hybrid freight unmanned aerial vehicle of claim 3, wherein the diversion passage (8) comprises a diversion section (10) and a divergent section (9) which are communicated, an inlet of the diversion section (10) faces the electric propeller power device (4), an outlet of the diversion section (10) is communicated with an inlet of the divergent section (9), and an outlet of the divergent section (9) faces the belly of the unmanned aerial vehicle body (1); the outlet width of the diffuser section (9) is greater than the inlet width thereof, and the outlet height of the diffuser section (9) is lower than the inlet height thereof.
5. A hybrid freight drone according to claim 4, characterised in that at the outlet of the diffuser section (9) there are deflector blocks (7), the deflector blocks (7) being wedge-shaped, the more pointed end of the wedge-shaped deflector block (7) facing the deflector section (10).
6. Hybrid freight drone according to claim 5, characterised in that the ratio between the exit width of the diffuser section (9) and the exit height of the diffuser section (9) is 7: 1 to 3: 1, the ratio of the inlet width to the inlet height of the flow guide section (10) is 2: 1 to 1: 1, be equipped with air velocity transducer in diffuser section (9), air velocity transducer and unmanned aerial vehicle's controller electricity is connected, and controller and electric screw power device (4) electricity are connected.
7. Hybrid freight drone according to claim 6, characterised in that the ratio between the width of the outlet of the diffuser section (9) and the height of the outlet of the diffuser section (9) is 5: 1 to 3: 1, the ratio of the inlet width to the inlet height of the flow guide section (10) is 1.5: 1.
8. a cargo transportation method for transporting cargo to a sea area, wherein the hybrid cargo drone of claim 7 is used, and comprises the following contents: loading goods into the unmanned aerial vehicle; controlling the unmanned aerial vehicle to fly to a specified position; landing the unmanned aerial vehicle on the sea surface; taking out goods on the unmanned aerial vehicle; unmanned aerial vehicle returns.
9. The method of cargo transportation according to claim 8, wherein the unmanned aerial vehicle is returned to the home position by a method comprising: before the unmanned aerial vehicle takes off from the sea surface, firstly, the diversion structure (6) extends out of the slot position (5) through the driving device; fuel screw power device (3) and electric screw power device (4) start simultaneously, and the air current that electric screw power device (4) produced gets into the import of water conservancy diversion passageway (8), then gets rid of from the export of refluence passageway, and the air current acts on the ventral position of unmanned aerial vehicle fuselage (1), and the air current forms one air cushion between the ventral of unmanned aerial vehicle fuselage (1) and sea, reduces the resistance of sea water to unmanned aerial vehicle fuselage (1).
10. The method of cargo transportation according to claim 8, wherein the unmanned aerial vehicle is returned to the home position by a method comprising: the wind speed sensor detects the wind speed in the diffusion section (9), if the wind speed does not reach the designated speed, the fact that an enough air cushion is not formed between the unmanned aerial vehicle and the seawater indicates that the output power of the electric propeller power device (4) is continuously increased; if the wind speed reaches the designated speed, the unmanned aerial vehicle and the seawater form enough air cushions, and the output power of the electric propeller power device (4) stops increasing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938695.8A CN113665823A (en) | 2021-08-16 | 2021-08-16 | Hybrid type freight unmanned aerial vehicle and cargo transportation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110938695.8A CN113665823A (en) | 2021-08-16 | 2021-08-16 | Hybrid type freight unmanned aerial vehicle and cargo transportation method |
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| US3589490A (en) * | 1968-08-06 | 1971-06-29 | Krupp Gmbh | Apron transloading device for an air freight transloading station |
| RU94012543A (en) * | 1994-04-11 | 1996-08-27 | В.П. Морозов | Ground effect take-off and landing aeroplane |
| RU2127203C1 (en) * | 1997-03-06 | 1999-03-10 | Колганов Вячеслав Васильевич | Mechanization of lifting surface of dynamic air cushion vehicle |
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